求翻译：常州市机械制造有限公司最新设计生产的JP50系列液压式精密矫平机，结构上具有数量多、排列密的上下矫平辊，以及交错均匀布置的众多辅助支撑辊，通过液压油缸锁紧上下矫平辊组之间的进出口间隙的特点，可对1-10mm厚度范围内的金属平面零件，带钢、板材等进行精密矫平，恢复及提高了零件平面度，同时消除材料内部应力。是什么意思？

Changzhou City machinery manufacturing limited latest design production of JP50 series hydraulic type precision straightening flat machine, structure Shang has number more, and arranged key of upper and lower straightening flat roll, and staggered uniform layout of many secondary support roll, through hydraulic oil cylinder lock tight upper and lower straightening flat roll group Zhijian of import and export gap of features, can on 1-10MM thickness range within of metal plane parts, strip, and sheet, for precision straightening flat, recovery and the improve has parts plane of, while elimination material internal stress.